.container {
  width: 300px;
  height: 300px;
  margin: 100px auto;
}

.circle-progressbar {
  position: relative;
  width: 100%;
  height: 100%;
  /* border: 1px solid #000; */
}

.circle-progressbar .title {
  margin: 0;
  text-align: center;
  line-height: 300px;
  font-size: 50px;
  color: #333;
}

.circle-progressbar div {
  box-sizing: border-box;
}

.circle-progressbar .wrapper {
  position: absolute;
  top: 0;
  width: 150px;
  height: 300px;
  overflow: hidden;
}

.circle-progressbar .wrapper.left-wrapper {
  left: 0;
}

.circle-progressbar .wrapper.right-wrapper {
  right: 0;
}

.circle-progressbar .wrapper .circle-bar {
  position: absolute;
  width: 300px;
  height: 300px;
  border: 30px solid transparent;
  border-radius: 50%;
  /* 45 -> -135度 */
  /* transform: rotate(45deg); */
  transform: rotate(-135deg);
  transition: transform 0.3s;
}

.circle-progressbar .left-wrapper .circle-bar {
  left: 0;
  border-left-color: lightgreen;
  border-bottom-color: lightgreen;
}

.circle-progressbar .right-wrapper .circle-bar {
  right: 0;
  border-right-color: lightgreen;
  border-top-color: lightgreen;
}
